And what they did with that calf's carcass is something that nobody's ever seen before.

他们对小牛尸体所做的事情是前所未见的。

And we decided to stay with the humpbacks that were staying near the gray whale calf carcass to see what would happen.

我们决定留在灰鲸幼崽尸体附近的座头鲸身边，看看会发生什么。